Disinfecting device.



No. 644,194. rammed Feb. 27, |900.

q c. E. BLAKE.

DISINFEGTING DEVICE.

(A picat xon led may 3, 1898 n (No maal.) 2 sheets-sheet l.

Nrrnn STATES ATENT innen.

OARLOSTINE E. BLAKE, OF MINNEAPOLIS, MINNESOTA.

DlslNFi-:CTING DEVICE.

SPECIFICATION forming part of Letters Patent No. 644,194, dated February 27, 1900. Application tied May s, 189s. serai No. 679,595. No` modelo To alt whom, t ntf/,y concern:

Be it known that I, CARLosTINE E. BLAKE,

of the city of Minneapolis, county of Henne-l pin, State of Minnesota, have'invented certain new and useful Improvements in Disinfecting Devices, of which the following is a specification.

This invention relates to disinfecting and deodorizin g devices for use in sick-rooms, toibination of a porous vessel, preferably in the' form of a hollow ball containing a suitable disinfectant, with a cover or shell inclosing said vessel and composed of disinfecting or deodorizing material, preferably crystalline -in formation, and which prevents the toorapid evaporation of the contents of said porous vessel, while the cover or shell itself throws off a germicidal, disinfecting, or deodorizin g vapor, all substantially as hereinafter described.

The invention will be more readily understood by reference to the accompanying drawings, in which-'- Y Figure 1 is a sectional view of a disinfecting ball or device embodying my invention. Fig. 2 is a similar View showing absorbent material in the porous vessel or ball. Fig. 3 shows the exterior of the disinfecting-ball. Fig. t represents the exterior of the porous ball. Fig. 5 is a sectional View of a modification of my invention.

As shown in the drawings, 2 represents a hollow ball or vessel, the walls of which are porous. This ball is preferably made of clay mixed with tine sawdust or like. material, which latter is burned in baking the ball, so as to make the ball porous. This porous vessel is lled with a composition of disinfecting and germicidal materials, which composition preferablyT comprises four parts of formalinand three parts each of carbolic acid, menthol, thymol, and euoalyptolf The ball may be iilled by a process of' absorption; but I prefer to provide the same with a hole 3, that is closed by a cork or by a block of clay 4 afin desired places.

in a thick shell 6 of a preferably crystalline volatile substance. This is molded upon the ball or Vessel and assumes its crystalline formation when cooled. This substance is in itself a disinfecting and deodoriz'ing agent, the vapor thereof combining with the vapor from the contents of the porous vessel. The composition ofthe shell 6 is preferably thirteen parts of naphthalene, two parts of gumcamphor, and one part of oil of peppermint or parafline. Both the oil and the paraffine may be used, if desired, and either one will protect the surface of the ball against rapid destruction by moisture. I prefer to use oil of peppermint, as it protects the ball from moisture, as above stated, and also scents the same. V

As the oil or the parafne of the shell conlposition would be apt to close or seal the pores of the Vessel 2 when being molded thereon, I prefer to roll or dip the porous ball 2 in a powder or paste composed of plaster or chalk, (se'e, Figs. l and 2,) which prevents the entrance of the oil or the camphor-wax to the su rface of the ball and does not interfere with the process of evaporation when the ball is finished.

As it is often desired to suspend the balls or cakes, I wrap a wire 7 about the ball before the shell is molded thereon and form a loop 8 in the wire as a means to suspend the ball The wire loop is also usei ful as a means to suspend the ball in the mold, wherein the shell is formed upon the porous ball. As indicated in Fig. 2, the porous ball may be filled with absorbent cotton or like material to assist in the distribution of the liquid therein and to partly counteract the capillary attraction of the porous walls of the ball.

Fig. 5 illustrates a modification of my invention wherein a thick layer of such germicidal agent as chloride of lime is arranged upon the porous ball and Within the shell 6. For convenience I prefer to apply this layer by means of cloth or felt 5, both sides of which are covered with a paste of the disinfeeting material. The cloth also acts as a Wick to distribute the liquid from the ball to all parts of the inner layer.

Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. The combination, in a disinfecting device, of a porous vessel containing a disinfectin g agent with an inclosing volatile shell, also of a porous nature.

2. The combination, of a porous vessel containing germicidal agents, with a shell of camphorous material molded upon said vessel, substantially as described.

3. The colnbination, of a porous vessel containing a disinfecting material, with an inclosing shell of volatile material containing an element that protects the same from the rapid action of moisture, substantially as described.

4. The combination, of a porous vessel containing disinfecting or germicidal agents,With a shell of volatile material containing a suitable proportion of oily substance for the purpose described, and a layer of material between said vessel and said shell, substantially as described.

5. The combination, of a porous vessel containing disinfecting agents, with an inclosing shell composed of disinfecting material molded thereon, and a layer of disinfecting material interposed between said vessel and said shell, substantially as described.

6. A disinfecting device, comprisingashell of volatile substance, and a body of disinfecting substance inclosed within said shell and arranged to evaporate through and with the volatile substance forming said shell.

7. A disinfectin g device, comprising a shell of suitably-scented naphthalene or moth-camphor, and inclosing a vessel containing formalin and carbolic acid that are evaporated through and with said naphthalene, substantially as described.

In testimony whereof I have hereunto set my hand, this 23d day of April, 1898, at Minneapolis, Minnesota.

CARLOS'IINE E.

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